As self-made millionaire and author Steve Siebold writes in "How Rich People Think," he has benefited from a life-changing realization: "To get rich, I had to learn to think like a rich person. Once I changed my thinking, the money started to flow."
And, he notes, "the only way to learn how to think like a rich person is to study them."
Here are eight lifestyle changes that have helped Siebold and other self-made millionaires build wealth. If you're looking to change your life in 2019, they could work for you.